build(frontend): changed env file

Signed-off-by: rjshrjndrn <rjshrjndrn@gmail.com>

frontend/build.sh

@@ -18,6 +18,7 @@ check_prereq() {
 }
 
 function build(){
+    cp .env.sample .env
     # Run docker as the same user, else we'll run in to permission issues.
     docker run --rm -v /etc/passwd:/etc/passwd -u `id -u`:`id -g` -v $(pwd):/home/${USER} -w /home/${USER} --name node_build node:14-stretch-slim /bin/bash -c "npm install && npm run build:oss"
     echo "frotend build completed"